what is tty* in /edv file folder?

[Rami Rosen]

Hi,

These are character devices for I/O.

/dev/tty0 is a special device, representing the current terminal.
/dev/tty1 is the  first virtual terminal,  /dev/tty1 is second virtual terminal
(usually there are 6 virtual terminals).

The other /dev/tty* are for other purposes.

Regards,
Rami Rosen

http://ramirose.wix.com/ramirosen


On Wed, Nov 28, 2012 at 12:11 PM, horse_rivers <horse_rivers at 126.com> wrote:
> hi：
>
>
>    I find in /dev/ file folder ,there are many tty* ， which is like  tty0,ty1,tty7,tty9,and son on.
>
>   I do not know what is this ?
>
>    my computer may not have so many device
>
> thanks!
>
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